[INFO] cloning repository https://github.com/timperrett/rust-fibsrv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timperrett/rust-fibsrv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimperrett%2Frust-fibsrv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimperrett%2Frust-fibsrv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3caa51df41b307ad3157e3b97308df7c82314083 [INFO] checking timperrett/rust-fibsrv against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimperrett%2Frust-fibsrv" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timperrett/rust-fibsrv on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/timperrett/rust-fibsrv [INFO] finished tweaking git repo https://github.com/timperrett/rust-fibsrv [INFO] tweaked toml for git repo https://github.com/timperrett/rust-fibsrv written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/timperrett/rust-fibsrv already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded protoc-rust-grpc v0.2.1 [INFO] [stderr] Downloaded protoc v1.4.3 [INFO] [stderr] Downloaded grpc-compiler v0.2.1 [INFO] [stderr] Downloaded grpcio v0.1.2 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.3.2 [INFO] [stderr] Downloaded grpcio-sys v0.1.2 [INFO] [stderr] Downloaded mime_guess v1.8.3 [INFO] [stderr] Downloaded protoc-rust v1.4.3 [INFO] [stderr] Downloaded winapi v0.3.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 33eb84a3d941d2fde1d13c39978664eb7d590c11dea3461d1ea6c4f9f6734cf5 [INFO] running `Command { std: "docker" "start" "-a" "33eb84a3d941d2fde1d13c39978664eb7d590c11dea3461d1ea6c4f9f6734cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33eb84a3d941d2fde1d13c39978664eb7d590c11dea3461d1ea6c4f9f6734cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33eb84a3d941d2fde1d13c39978664eb7d590c11dea3461d1ea6c4f9f6734cf5", kill_on_drop: false }` [INFO] [stdout] 33eb84a3d941d2fde1d13c39978664eb7d590c11dea3461d1ea6c4f9f6734cf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b3c7b1d297aa2f8e5a90eab94f9fa707c49e65140ad33cb6ba3667f81659386 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1b3c7b1d297aa2f8e5a90eab94f9fa707c49e65140ad33cb6ba3667f81659386", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Checking libc v0.2.36 [INFO] [stderr] Compiling protobuf v1.4.3 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking byteorder v1.2.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rand v0.3.20 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking idna v0.1.4 [INFO] [stderr] Compiling grpcio-sys v0.1.2 [INFO] [stderr] Compiling protoc v1.4.3 [INFO] [stderr] Compiling phf_shared v0.7.21 [INFO] [stderr] Checking time v0.1.39 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking phf v0.7.21 [INFO] [stderr] Compiling phf_generator v0.7.21 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling phf_codegen v0.7.21 [INFO] [stderr] Compiling mime_guess v1.8.3 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] error: failed to run custom build command for `mime_guess v1.8.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mime_guess-57018aaaf6e4ab09/build-script-gen_mime_types` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b5f8ae4b30 - std::backtrace_rs::backtrace::libunwind::trace::h247d9dc800afe0ad [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b5f8ae4b30 - std::backtrace_rs::backtrace::trace_unsynchronized::h9a4153306adf486c [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b5f8ae4b30 - std::sys_common::backtrace::_print_fmt::h1ac8daa5000ee24c [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b5f8ae4b30 - ::fmt::h22a8e55d2cc5363a [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b5f8afefcf - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55b5f8ae3405 - std::io::Write::write_fmt::h441a47830651073b [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/io/mod.rs:1580:15 [INFO] [stderr] 6: 0x55b5f8ae665b - std::sys_common::backtrace::_print::hd1e0ee1c195f9f05 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b5f8ae665b - std::sys_common::backtrace::print::h7d1098def5c25d20 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b5f8ae665b - std::panicking::default_hook::{{closure}}::h484b8b15967e42c8 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b5f8ae613d - std::panicking::default_hook::h82c79ca49716b79d [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b5f8ae6c0d - std::panicking::rust_panic_with_hook::h6df253a3c973d6b6 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55b5f8ae6807 - std::panicking::begin_panic_handler::{{closure}}::hc6a4120674935ea3 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55b5f8ae4fec - std::sys_common::backtrace::__rust_end_short_backtrace::h9b5f057c8351b0b1 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b5f8ae6769 - rust_begin_unwind [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55b5f8a90ec1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55b5f8a90f53 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55b5f8aa4e1a - core::result::Result::unwrap::h1e1a124ecefcaf80 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55b5f8acb82b - build_script_gen_mime_types::main::h1b0819422862342e [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mime_guess-1.8.3/src/gen_mime_types.rs:22:38 [INFO] [stderr] 18: 0x55b5f8aa787b - core::ops::function::FnOnce::call_once::h779b53698d47cc51 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55b5f8abe7de - std::sys_common::backtrace::__rust_begin_short_backtrace::hf479fbf0ae264480 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55b5f8aa4211 - std::rt::lang_start::{{closure}}::h28db125c39ba6013 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55b5f8ae700a - core::ops::function::impls:: for &F>::call_once::h98fbc5823393ca6f [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55b5f8ae700a - std::panicking::try::do_call::h210d0709dd1d5fd6 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55b5f8ae700a - std::panicking::try::hc60c2c01c5cf7473 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55b5f8ae700a - std::panic::catch_unwind::h7480a56877b30ca9 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55b5f8ae700a - std::rt::lang_start_internal::he77194431b0ee4a2 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55b5f8aa41f0 - std::rt::lang_start::heae2e8e94d7d3397 [INFO] [stderr] at /rustc/b0d0ea232bdae12fa8da8491a91ae1db029990ef/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55b5f8accf0c - main [INFO] [stderr] 28: 0x7fbdae9920b3 - __libc_start_main [INFO] [stderr] 29: 0x55b5f8a915be - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stdout] | [INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stdout] | -- lifetime `'a` defined here [INFO] [stdout] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stdout] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stdout] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stdout] | | [INFO] [stdout] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0713`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "1b3c7b1d297aa2f8e5a90eab94f9fa707c49e65140ad33cb6ba3667f81659386", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b3c7b1d297aa2f8e5a90eab94f9fa707c49e65140ad33cb6ba3667f81659386", kill_on_drop: false }` [INFO] [stdout] 1b3c7b1d297aa2f8e5a90eab94f9fa707c49e65140ad33cb6ba3667f81659386